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\bibitem{Saqlain_etal2016} {\textquotedblleft}\textit{DFT Study of Synergistic Catalysis of the Water-Gas-Shift Reaction on Cu-Au Bimetallic Surfaces}{\textquotedblright}. Saqlain MA, Hussain A, Siddiq DM, Leenaerts O, Leit{\~a}o AA, ChemCatChem \textbf{8}, 1208 (2016).   http://doi.org/10.1002/cctc.201501312

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